Photo of cans of Coca-Cola soft drink seen displayed in a store in Poland
  • Some diners are eating out less often — and it's hitting Coca-Cola's sales in North America.
  • There's been "some softness in away-from-home channels," CEO James Quincey told investors.
  • Coca-Cola has been working with restaurants to market combo meals and boost sales, he said.

Coca-Cola says it's feeling the strain as fewer penny-pinching diners eat out.

CEO James Quincey told investors on Tuesday that there had been "some softness in away-from-home channels" in North America.

Lower-income diners are eating at restaurants less frequently, but when they do dine out, they're looking for combo deals, he said.